Finding the Fourth Proportional to 23,280,370.48, 32,125,374.16 and 13,982,415.68
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Solution
The fourth proportional to 23,280,370.48, 32,125,374.16 and 13,982,415.68 is: 19,294,810.44
Step by Step Solution
- Step 1: Write the proportion equation
23,280,370.48 : 32,125,374.16 = 13,982,415.68 : x - Step 2: Convert to fraction form
23,280,370.48/32,125,374.16 = 13,982,415.68/x - Step 3: Cross multiply
23,280,370.48x = 32,125,374.16 × 13,982,415.68 - Step 4: Simplify right side
23,280,370.48x = 449,190,335,380,650.81 - Step 5: Solve for x
x = 449,190,335,380,650.81/23,280,370.48 - Step 6: Final answer
x = 19,294,810.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.